It breeds in undisturbed soil and does not reproduce in arable fields.

The skeletons were found in a layer of undisturbed soil containing pottery from around 550 BC.

It is rare in its range, usually found in undisturbed sandy soils.

"Even if he's in two thousand pieces that just lie around under the soil undisturbed until our time, we know his remains explode when the time comes."

Prefers relatively undisturbed soil at the base and should be planted in full sun.

Thus, the artifacts would have laid in the soil undisturbed, without moving up or down from where they were buried.

Oregon giant earthworms live in the deep, moist, undisturbed soils of riparian forests.

To have the anchor's wing fly into undisturbed soil provides a better anchor for some applications.

The shallow hole is needed so the plant can sit on a firm base of undisturbed soil that won't settle with time.

Researchers used soil borings to identify promising areas with undisturbed soil.